Lamp accessory



FIG. 1 is a front view of the lamp accessory;

FIG. 2 is a back view of the lamp accessory;

FIG. 3 is a right side view of the lamp accessory;

FIG. 4 is a left side view of the lamp accessory;

FIG. 5 is a top view of the lamp accessory;

FIG. 6 is a bottom view of the lamp accessory; and,

FIG. 7 is a perspective view of the lamp accessory. 

I claim the ornamental design for a lamp accessory, as shown and described. 